# Unable to find source prim path: /World/envs/env\_.\*/Robot/base/depth\_camera

**URL:** <https://forums.developer.nvidia.com/t/unable-to-find-source-prim-path-world-envs-env-robot-base-depth-camera/328027>\
**Category:** Isaac Sim\
**Tags:** isaac-sim-v4-2-0\
**Created:** [March 24, 2025, 2:55am UTC](https://forums.developer.nvidia.com/t/unable-to-find-source-prim-path-world-envs-env-robot-base-depth-camera/328027 "2025-03-24T02:55:30Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ruitong-lu](https://developer.download.nvidia.com/images/forums/profile-default-devtalk-84.png) [@ruitong-lu](https://forums.developer.nvidia.com/u/ruitong-lu)\
**Post date:** [March 24, 2025, 2:55am UTC](https://forums.developer.nvidia.com/t/unable-to-find-source-prim-path-world-envs-env-robot-base-depth-camera/328027/1 "2025-03-24T02:55:30Z")

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when i use the robot asset in my local path, there comes to a error.  
I wonder whether it is due to the wrong path or the wrong depth\_camera

```auto
Traceback (most recent call last):
  File "/home/eai-amd/lrt/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/sensors/camera/camera.py", line 126, in __init__
    self.cfg.spawn.func(self.cfg.prim_path, self.cfg.spawn, translation=self.cfg.offset.pos, orientation=rot_offset)
  File "/home/eai-amd/lrt/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/sim/utils.py", line 236, in wrapper
    raise RuntimeError(
RuntimeError: Unable to find source prim path: '/World/envs/env_.*/Robot/base'. Please create the prim before spawning.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "/home/eai-amd/lrt/viplanner/omniverse/standalone/viplanner_demo.py", line 151, in <module>
    main()
  File "/home/eai-amd/lrt/viplanner/omniverse/standalone/viplanner_demo.py", line 71, in main
    env = ManagerBasedRLEnv(env_cfg)
  File "/home/eai-amd/lrt/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/envs/manager_based_rl_env.py", line 75, in __init__
    super(). __init__ (cfg=cfg)
  File "/home/eai-amd/lrt/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/envs/manager_based_env.py", line 116, in __init__
    self.scene = InteractiveScene(self.cfg.scene)
  File "/home/eai-amd/lrt/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/scene/interactive_scene.py", line 145, in __init__
    self._add_entities_from_cfg()
  File "/home/eai-amd/lrt/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/scene/interactive_scene.py", line 471, in _add_entities_from_cfg
    self._sensors[asset_name] = asset_cfg.class_type(asset_cfg)
  File "/home/eai-amd/lrt/IsaacLab/source/extensions/omni.isaac.lab/omni/isaac/lab/sensors/camera/camera.py", line 129, in __init__
    raise RuntimeError(f"Unable to find source prim path: {self.cfg.prim_path}. Please create the prim before spawning.") from e
RuntimeError: Unable to find source prim path: /World/envs/env_.*/Robot/base/depth_camera. Please create the prim before spawning.

```

### Isaac Sim Version

4.2.0

### Operating System

Ubuntu 22.04

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<div class="post-metadata">

**Author:** ![phennings](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/phennings/32/256893_2.png) [@phennings](https://forums.developer.nvidia.com/u/phennings)\
**Post date:** [April 1, 2025, 4:34pm UTC](https://forums.developer.nvidia.com/t/unable-to-find-source-prim-path-world-envs-env-robot-base-depth-camera/328027/3 "2025-04-01T16:34:45Z")

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Thank you for your interest in Isaac Lab. To ensure efficient support and collaboration, please submit your topic to its GitHub [repo](https://github.com/isaac-sim/IsaacLab) following the instructions provided on [Isaac Lab’s Contributing Guidelines](https://isaac-sim.github.io/IsaacLab/main/source/refs/contributing.html) regarding discussions, submitting issues, feature requests, and contributing to the project.

We appreciate your understanding and look forward to assisting you.

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<div class="post-metadata">

**Author:** ![phennings](https://sea2.discourse-cdn.com/nvidia/user_avatar/forums.developer.nvidia.com/phennings/32/256893_2.png) [@phennings](https://forums.developer.nvidia.com/u/phennings)\
**Post date:** [May 28, 2025, 11:18pm UTC](https://forums.developer.nvidia.com/t/unable-to-find-source-prim-path-world-envs-env-robot-base-depth-camera/328027/4 "2025-05-28T23:18:57Z")

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